Chair seat



FIG. 1 is a top plan view of the chair seat;

FIG. 2 is a front view looking in the direction of the arrow 2 in FIG. 1 of the chair seat;

FIG. 3 is a side view looking in the direction of the arrow 3 in FIG. 2 of the chair seat;

FIG. 4 is a bottom view looking in the direction of the arrow 4 of FIG. 2 of the chair seat;

FIG. 5 is a rear elevational view looking in the direction of the arrow 5 of FIG. 3 of the chair seat; and

FIG. 6 is a longitudinal sectional view taken along the line 6--6 of FIG. 5. 

The ornamental design for a chair seat, as shown and described. 